It has been a turbulent time at the club since the campaign ended, with Carlo Ancelotti replacing Maurizio Sarri and now skipper Hamsik – who joined from Brescia in 2007 – could be following his former coach out of the exit door.

"After that it is up to him if he wants to leave the club, but I do not do discounts for anybody."

De Laurentiis also appeared to end any hope of Mario Balotelli joining Napoli, putting faith in those already at the club ahead of the striker, who ended a four-year national team hiatus and scored in Monday's 2-1 win over Saudi Arabia.

"We haven't considered him [Balotelli]," De Laurentiis said. "He is extraordinary, but first we need to consider the possibilities of players who are already here with Ancelotti during pre-season.

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"We've got many attacking players, so we cannot harm those who are already here and have never played for Napoli.

"To think the attack is our priority [in the transfer market] would be a mistake. Our priorities are different."